Restricts non-DBA users from changing a specific IMS Environment data set name on the “Define & Update Processing Parms” panel. Users given File Master DBA authority will not be restricted from updating the data set name on any setup panel.

Valid values: Any valid data set name

Default: This parameter has a null default value (no restrictions)."

COM_IMSENV_DSN is an installation option and when it is set, if a non authorized user tries to change the IMS ENV data set the message "CAWK666E '*Security check failed*'" is shown.